The story
Used for its similarity to fuck my. Perhaps imitating literary or scientific terms such as sigma, omega, tagma (etc.) as an intentional misdirection, to catch an unsuspecting listener off-guard.
Etymology from Wiktionary, CC BY-SA 4.0.
fugma
Today it means: An interjection designed to sound similar to "fuck my" (especially used to trick a person into asking the meaning). Full definition →